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Finding the Fourth Proportional to 1,776.86, 2,663.02 and 735.67

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Solution

The fourth proportional to 1,776.86, 2,663.02 and 735.67 is: 1,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.86 : 2,663.02 = 735.67 : x
  2. Step 2: Convert to fraction form
    1,776.86/2,663.02 = 735.67/x
  3. Step 3: Cross multiply
    1,776.86x = 2,663.02 × 735.67
  4. Step 4: Simplify right side
    1,776.86x = 1,959,103.92
  5. Step 5: Solve for x
    x = 1,959,103.92/1,776.86
  6. Step 6: Final answer
    x = 1,102.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.